How do blockchain companies do java

1.

blockchain is a new application mode of distributed data storage, point-to-point transmission, consensus mechanism, encryption algorithm and other computer technologies. Blockchain is an important concept of bitcoin. It is essentially a decentralized database. At the same time, as the underlying technology of bitcoin, it is a series of data blocks generated by using cryptographic methods. Each data block contains a batch of information about bitcoin network transactions, Used to verify the validity of its information (anti-counterfeiting) and generate the next block

if such technology wants to be put into application, the biggest problem is the "Impossible Triangle problem"

that is, scalability, decentralization and security cannot be achieved at the same time, and only two of them can be achieved

most of the existing public chain projects in the market are difficult to put into use on a large scale

2.

Blockchain projects require high efficiency, so most of the core source code development is using C / C + +. However, if you are doing a blockchain project, unless you need to make a lot of adjustments to the source code, you may not choose to use Java. For general DAPP applications, java development should also be a good choice. For example, in the case of Ethereum blockchain, there is a web3j class library for Java, which is very convenient; Bitcoin has bitcoin J class library, which is also easy to use. It still depends on the level of application, what to do, and the situation of the team

share two Java blockchain tutorials:

1. java bitcoin details

2. java Ethereum development

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the underlying development of blockchain can't be realized with Java

as the upper development, you just need to dock according to the given open source interface, and then develop what you need with the language you are good at

now there are many blockchain system templates, you can see which development cases

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4. Of course, as long as you can write the code

5. It should be very difficult. If you go directly to the blockchain company to do well, Shengshi Huacai, our company's cooperation, is very good. It mainly provides basic blockchain construction, intelligent contract development, blockchain application landing, blockchain business ecology construction and other services. The technology is quite good, which is worth recommending.

6. I've seen it written in "C" as if it's called aelf

I strongly don't recommend using runtime language or framework to write the chain. Efficiency and memory overhead are disastrous

I recommend C + + go trust for development.

7. If you have excellent technology, you can start a business. If you don't have good technology, you can only learn to improve your ability first.

8. This problem can be solved by Excel standard function, but it's a little boring
to ask a question, there must be a place in your original form where you can identify the currency, right? And before unifying currencies, you need to decide what your base currency is? RMB or USD or something
the information to be prepared is the exchange rate between each currency and the base currency
suppose you have only two currencies, RMB and USD, the base currency is RMB, and the exchange rate is 1usd = 7RMB
suppose the data table format is as follows
col a amount (numerical type)
col B currency
col C our target fields
column A and B are your original data, as long as you write excel function on column C
function = if (B1 = & quot; USD", A1 * 7, A1)

the sorting is nothing special, just the same as before. Excel sorting is not automatic, it is triggered manually, so if you want to sort, go to data - & gt; sort

9. If the company is formal, it is reliable. In fact, most of the time, it's just a matter of your own mentality. If you look at it yourself, you will be able to accept it. Blockchain companies have no problem. As long as they don't break the law, I think they are OK. However, it mainly depends on whether you are interested. But if the conditions and development space given by the blockchain company are good, I think we can give it a try. In fact, blockchain is still developing well. Many big companies have done blockchain. Blockchain is defined as an innovative application mode of distributed data storage, point-to-point transmission, consensus mechanism, encryption algorithm and other computer technologies in the Internet era. On the technical level, blockchain is a typical distributed system
originally, every job change means unknown. Sometimes when we stay in a position for a long time, it's easy to think that we know enough, but in fact, what you know is what you contact. If you think about the rapid development of society and the endless emergence of new things, it is impossible for us to know everything we meet. But one thing we can confirm is that we are always learning new things. On the other hand, we are always growing up
if the company is willing to give you the opportunity to know, explore and grow, then I think that no matter what instry you are working in, such a company is worthy of your trying, giving yourself an opportunity as well as giving the company an opportunity
finally, I want to say to you: come on, I hope everything goes well with you.